Double capacity battery for portable personal computer



FIG. 1 is a front elevational view of a double capacity battery for portable personal computer showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front, top and right side perspective view thereof. 

The ornamental design for a double capacity battery for portable personal computer, as shown. 